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US 8,146,863 B2Granted
Aircraft doorway
AssigneeAirbus France
InventorDavid Larcher
Life of this patent
Estimating the term…
Abstract
The invention concerns a doorway in an aircraft fuselage comprising a door frame in which a door is mounted, this frame comprising an outer framework, an inner framework and a core placed between the inner framework and the outer framework, capable of absorbing energy from an impact, the core being a stiffener made of composite material having an accordion shape.
Claims10
A doorway for an aircraft fuselage comprising a door frame inside which a door is mounted, the door frame comprising:
- an outer framework,
- an inner framework,
- a core positioned between the inner framework and the outer framework and adapted to absorb energy from an impact,
- wherein the core comprises a stiffener made of composite material having an accordion shape including a succession of V-shaped and inverted V-shapes bellows.
1 more element
Dependencies are inferred from the claim text.